公开(公告)号：US20190251904A1

公开(公告)日：2019-08-15

申请号：US16203476

申请日：2018-11-28

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Woo KIM ,  Bo Yong CHUNG ,  Yeon Kyung KIM ,  Chong Chul CHAI

IPC: G09G3/3258 ,  G09G3/3241 ,  G09G3/3283

Abstract: A display device having a frame period including reset, compensation, relay, emission, and initialization periods. Each pixel includes: an organic light emitting diode having an anode coupled to a second node and a electrode coupled to a second power source; a first transistor between a first power source and the second node, and a gate electrode coupled to a first node; a second transistor between the first node and the second node; a third transistor between the first power source and a third node; a fourth transistor between a fourth node and the third node; a fifth transistor between a data line and the fourth node; a sixth transistor between a third power source and the second node; a first capacitor between the third node and the first node; and a second capacitor coupled the fourth node and the third power source.

公开(公告)号：US20240355268A1

公开(公告)日：2024-10-24

申请号：US18427833

申请日：2024-01-31

Applicant: Samsung Display Co., LTD.

Inventor： Kwi Hyun KIM ,  Yeon Kyung KIM ,  Dong Woo KIM

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/045

Abstract: A sub-pixel includes a light emitting element, a first transistor that applies a driving current to the light emitting element, a second transistor that writes a data voltage in response to a write gate signal, a first capacitor electrically connected to a control electrode of the first transistor, a second capacitor including a first electrode electrically connected to the second transistor and a second electrode electrically connected to the control electrode of the first transistor, a third transistor that diode-connects the first transistor in response to a compensation gate signal, a fourth transistor that applies a first initialization voltage to a first electrode of the third transistor in response to an initialization gate signal, and a fifth transistor that transfers the driving current to the light emitting element in response to an emission signal.

公开(公告)号：US20240339076A1

公开(公告)日：2024-10-10

申请号：US18421098

申请日：2024-01-24

Applicant: Samsung Display Co., LTD.

Inventor： Dong Woo KIM ,  Kwi Hyun KIM ,  Yeon Kyung KIM ,  Do Yeong PARK

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/08

Abstract: A pixel includes a first transistor including a first electrode electrically connected to a first power line, a second electrode, and a gate electrode connected to a first node, a light emitting element including a first electrode, and a second electrode electrically connected to a second power line, a second transistor connected between a data line and a second node, and including a gate electrode electrically connected to a first scan line, a third transistor connected between the second node and the first electrode of the light emitting element, and including a gate electrode electrically connected to a second scan line, a first capacitor connected between the first power line and the first node, and a second capacitor connected between the first node and the second node.

公开(公告)号：US20240282802A1

公开(公告)日：2024-08-22

申请号：US18541235

申请日：2023-12-15

Applicant: Samsung Display Co., LTD.

Inventor： Sung Chul HONG ,  Kyung Bae KIM ,  Yeon Kyung KIM

IPC: H01L27/15

CPC classification number: H01L27/156

Abstract: A display device comprises a first voltage line disposed in a first metal layer on a substrate providing a high-level voltage, a vertical voltage line disposed on a side of the first voltage line providing a low-level voltage, a first transistor disposed in an active layer on the first metal layer and including a drain electrode, an active region, a source electrode, and a gate electrode, a first anode connection electrode disposed in a third metal layer on the second metal layer and electrically connected to the source electrode of the first transistor, a first electrode and a second electrode that are disposed in a fourth metal layer on the third metal layer, and a plurality of light-emitting element areas including a plurality of light-emitting elements aligned between the first and second electrodes and spaced apart from the first voltage line and the vertical voltage line in a plan view.

公开(公告)号：US20230317901A1

公开(公告)日：2023-10-05

申请号：US18057705

申请日：2022-11-21

Applicant: Samsung Display Co., LTD.

Inventor： Yeon Kyung KIM ,  Jin Seon KWAK ,  Dong Woo KIM ,  Do Yeong PARK

IPC: H01L33/62 ,  H01L33/38 ,  H01L33/00

CPC classification number: H01L33/62 ,  H01L33/387 ,  H01L33/005 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device includes a display panel including a display area having a scan area, and having a power area on one side of the scan area, and a non-display area surrounding the display area, and having a pad portion on one side of the non-display area, the pad portion including a first pad including line pads connected to lines of the scan area, a second pad including line pads, and a power pad configured to supply an off signal to a line of the lines of the power area and connected to lines of the power area, and a panel-lighting-test line on at least one side of the power pad, and spaced apart from the power pad.

公开(公告)号：US20180204954A1

公开(公告)日：2018-07-19

申请号：US15866309

申请日：2018-01-09

Applicant: Samsung Display Co., Ltd.

Inventor： Bon-Yong KOO ,  Jung-Hun NOH ,  Sun Kwang KIM ,  Yeon Kyung KIM

IPC: H01L29/786 ,  H01L29/49 ,  H01L29/66 ,  H01L27/12

CPC classification number: H01L29/78642 ,  H01L27/1218 ,  H01L27/1225 ,  H01L27/1237 ,  H01L27/124 ,  H01L27/1251 ,  H01L27/1259 ,  H01L27/1262 ,  H01L29/42324 ,  H01L29/42384 ,  H01L29/4908 ,  H01L29/66666 ,  H01L29/66742 ,  H01L29/7827 ,  H01L29/78696 ,  H01L2029/42388

Abstract: A transistor array panel according to an exemplary embodiment includes a substrate, and a first transistor and a second transistor positioned on the substrate. Each of the first transistor and the second transistor includes: a first electrode; a second electrode overlapping the first electrode; a spacing member positioned between the first electrode and the second electrode; a semiconductor layer extending along a side wall of the spacing member; and a gate electrode overlapping the semiconductor layer. A thickness of the spacing member of the first transistor is larger than a thickness of the spacing member of the second transistor.